<template>
    <i v-if="isShowIconSvg" :style="setIconSvgStyle" class="el-icon">
        <component :is="getIconName"/>
    </i>
    <div v-else-if="isShowIconImg" :style="setIconImgOutStyle">
        <img :src="getIconName" :style="setIconSvgInsStyle"/>
    </div>
    <i v-else :class="getIconName" :style="setIconSvgStyle"/>
</template>

<script lang="ts" name="svgIcon" setup>
import {computed} from 'vue';

// 定义父组件传过来的值
const props = defineProps({
    // svg 图标组件名字
    name: {
        type: String,
    },
    // svg 大小
    size: {
        type: Number,
        default: () => 14,
    },
    // svg 颜色
    color: {
        type: String,
    },
});

// 在线链接、本地引入地址前缀
// https://gitee.com/lyt-top/vue-next-admin/issues/I62OVL
const linesString = ['https', 'http', '/src', '/assets', 'data:image', import.meta.env.VITE_PUBLIC_PATH];

// 获取 icon 图标名称
const getIconName = computed(() => {
    return props?.name;
});
// 用于判断 element plus 自带 svg 图标的显示、隐藏
const isShowIconSvg = computed(() => {
    return props?.name?.startsWith('ele-');
});
// 用于判断在线链接、本地引入等图标显示、隐藏
const isShowIconImg = computed(() => {
    return linesString.find((str) => props.name?.startsWith(str));
});
// 设置图标样式
const setIconSvgStyle = computed(() => {
    return `font-size: ${props.size}px;color: ${props.color};`;
});
// 设置图片样式
const setIconImgOutStyle = computed(() => {
    return `width: ${props.size}px;height: ${props.size}px;display: inline-block;overflow: hidden;`;
});
// 设置图片样式
// https://gitee.com/lyt-top/vue-next-admin/issues/I59ND0
const setIconSvgInsStyle = computed(() => {
    const filterStyle: string[] = [];
    const compatibles: string[] = ['-webkit', '-ms', '-o', '-moz'];
    compatibles.forEach((j) => filterStyle.push(`${j}-filter: drop-shadow(${props.color} 30px 0);`));
    return `width: ${props.size}px;height: ${props.size}px;position: relative;left: -${props.size}px;${filterStyle.join('')}`;
});
</script>
